← All Topics

Lighting: Commercial

5 question stems · Page 1 of 1

Question 1

In a high bay industrial space, a group of luminaires is controlled by occupancy sensors and manual overrides. The lights remain on continuously even when the area is empty. Voltage at the sensor output remains high. What is the MOST likely cause?

Question 2

On a commercial lighting plan, several fixtures are shown as being on circuit 'L3'. What does 'L3' typically refer to?

Question 3

For a warehouse with high ceilings and large open floor space, which type of lighting layout is generally most appropriate?

Question 4

In a commercial lighting installation, what is the primary advantage of using a 277V lighting system over a 120V system?

Question 5

In commercial lighting, what voltage is commonly used to power large scale fluorescent or LED fixtures to reduce voltage drop and wire size?